[PDF] Top 20 Diagnostic Accuracy of CT Angiography and CT Perfusion for Cerebral Vasospasm: A Meta Analysis
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Diagnostic Accuracy of CT Angiography and CT Perfusion for Cerebral Vasospasm: A Meta Analysis
... graphic vasospasm” is defined as evidence of arterial narrow- ing compared with the parent vessel or with a baseline ...the diagnostic accuracy of CTA and CTP for vasospasm diagnosis, not all ... See full document
8
Vasospasm after Subarachnoid Hemorrhage: Utility of Perfusion CT and CT Angiography on Diagnosis and Management
... erate vasospasm, but are very ...series). Accuracy of CTA interpretation re- quires experience by the reviewer, spe- cifically to distinguish between hypo- plastic and vasospastic segments of the circle of ... See full document
9
CT Perfusion for Detection of Delayed Cerebral Ischemia in Aneurysmal Subarachnoid Hemorrhage: A Systematic Review and Meta Analysis
... By applying the QUADAS tool, we found that among the stud- ies included in our systematic review, most were free of spectrum bias, primary selection bias, differential verification bias, and in- corporation bias (see ... See full document
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Diagnostic Accuracy and Yield of Multidetector CT Angiography in the Evaluation of Spontaneous Intraparenchymal Cerebral Hemorrhage
... period. CT angiograms were reviewed by 2 neuroradiologists to determine the IPH site and the presence of a vascular ...The diagnostic accuracy of MDCTA compared with conventional angiography, ... See full document
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Accuracy of the Alberta Stroke Program Early CT Score during the First 3 Hours of Middle Cerebral Artery Stroke: Comparison of Noncontrast CT, CT Angiography Source Images, and CT Perfusion
... interpreting CT perfusion). For this retro- spective analysis, the dynamic CT perfusion source images were re- trieved and loaded onto an off-line workstation (Advantage Workstation ... See full document
6
Cost Effectiveness of CT Angiography and Perfusion Imaging for Delayed Cerebral Ischemia and Vasospasm in Aneurysmal Subarachnoid Hemorrhage
... Our study reveals that performing CTAP in patients with SAH improves clinical outcomes compared with TCD, with in- creased quality of life from less functional disability. Although CTAP is associated with higher upfront ... See full document
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CT Perfusion Derived Mean Transit Time Predicts Early Mortality and Delayed Vasospasm after Experimental Subarachnoid Hemorrhage
... rabbits. Cerebral blood flow (CBF), cerebral blood volume (CBV), and mean transit time (MTT) were measured with CT perfusion before SAH, within 1 hour after SAH, and on days 2, 4, 7, 9, and 16 ... See full document
7
CT Angiography and Perfusion CT in Cerebral Vasospasm after Subarachnoid Hemorrhage
... MSCTA accuracy for mild and moderate spasm (57% and 64%, respectively), compared with the accu- racy values obtained for absent spasm and severe spasm (92% and 100%, ...located vasospasm, whereas its sen- ... See full document
9
Mechanical thrombectomy – an alternative treatment option in a patient with acute ischemic stroke and multiple contraindications for systemic thrombolysis: a case report
... subtraction angiography (DSA) and detection of a filiform stenosis of the proximal RICA (Figure 2(a), ...consecutive angiography displayed a residual rarefi- cation of the parieto-occipital region (see ... See full document
5
Multiphase CT Angiography versus Single Phase CT Angiography: Comparison of Image Quality and Radiation Dose
... ably achievable radiation dose,” many techniques have been tried to optimize radiation-dose levels in MDCT CTA. Currently, most commercialized CT scanners provide axial scanning in maximum z-axis coverage of 40-mm ... See full document
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Diagnostic Value of Multidetector Row CT Angiography in the Evaluation of Thrombosis of the Cerebral Venous Sinuses
... unenhanced CT scan might help to improve the detection rate of parenchymal changes, though parenchymal changes are seen more readily on MR imaging than on ... See full document
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Multidetector Row CT Angiography of Cerebral Vasospasm after Aneurysmal Subarachnoid Hemorrhage: Comparison of Volume Rendered Images and Digital Subtraction Angiography
... We used the VRI technique instead of the MIP algorithm for the comparison with DSA in this study. VRI technique is in our experience far quicker and easier to produce than MIP algorithms and can give better anatomic ... See full document
8
Clinical Utility of 64 row Multislice CT Angiography in the Detection of Cerebral Aneurysms in Acute Subarachnoid Haemorrhage
... of CT angiogram was performed on workstation by radiologist and neurosurgeon on-call using Maximal Intensity Projection (MIP) and 3-dimensional Volume Rendered Technique ... See full document
6
Role of Multisection CT Angiography in the Evaluation of Vertebrobasilar Vasospasm in Patients with Subarachnoid Hemorrhage
... conventional angiography, MCTA is unable to show dynamic characteristics of blood flow, but it provides a rapid, minimally invasive morphologic study of brain vasculature with 3D details—at lower risk and ... See full document
6
CT coronary angiography vs. invasive coronary angiography in CHD
... Die selektierten systematischen Übersichten werden einer Bewertung des Verzerrungspotenzials unterzogen. Der Pool einbezogener diagnostischer Studien wird überprüft, die Studienqualität wird anhand der Angaben in den ... See full document
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Effects of Radiation Exposure on the Cost Effectiveness of CT Angiography and Perfusion Imaging in Aneurysmal Subarachnoid Hemorrhage
... prior analysis that did not incorporate these radiation-induced complications, we found that CTAP leads to greater quality- adjusted life expectancy for patients with SAH and lower health care costs af- ter ... See full document
7
Cerebral aneurysms: evaluation with three dimensional CT angiography
... Unenhanced CT scans (section thickness, 10 mm; sec- tion interval, 10 mm) were obtained parallel to the su- praorbital-meatal ...Three-dimensional CT reformations were obtained by using the surface-ren- ... See full document
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Intra Arterial Nicardipine Infusion Improves CT Perfusion–Measured Cerebral Blood Flow in Patients with Subarachnoid Hemorrhage–Induced Vasospasm
... CT angiography (CTA) and concomitant first-pass quantitative cine CTP are typically performed in patients with clinical findings suggestive of vasospasm or TCD findings suggestive of vasospasm ... See full document
5
Multi Section CT Angiography for Detection of Cerebral Aneurysms
... multi-section CT angiography (true ...CT angiography. The primary reason for missing aneurysms on multi-section CT angio- grams (seven total) seems to be the close proximity to bone in ... See full document
8
Malignant isolated cortical vein thrombosis with type II protein S deficiency: a case report
... Here, we presented an extremely rare case of a patient with ICVT and type II PS deficiency, who experienced a stroke. The patient was successfully treated with external decompression and anticoagulants. Venous thrombosis ... See full document
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